Antiemetics are administered to

Appeared in: UPPSC 2022

Explanation

Antiemetics are a specific class of medication whose primary function is to prevent or relieve nausea and vomiting (emesis).
The term 'antiemetic' directly translates to 'against vomiting'.
These drugs work by blocking signals in the brain's vomiting center or the gastrointestinal tract that trigger the vomiting reflex.
They are commonly used for motion sickness, side effects of chemotherapy, and postoperative recovery.

Option A: Medications administered to reduce pain are called analgesics, not antiemetics.
Option B: Medications that reduce peristalsis (intestinal movement) are antidiarrheals or antispasmodics.
Option D: Medications used to reduce or prevent seizures are known as anticonvulsants or antiepileptics.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pharmacology: Action of Antiemetic Drugs as background academic context rather than a clinical decision trigger.
Nurses frequently administer antiemetics in various settings, especially post-operatively, during chemotherapy, and for gastrointestinal illnesses, to improve patient comfort and prevent complications like dehydration and electrolyte imbalance.
Proactive administration is key. For a patient scheduled for chemotherapy, the nurse should administer the prescribed antiemetic 30-60 minutes before the infusion starts to prevent nausea, rather than waiting for it to occur.
Patient safety is a priority, as many antiemetics cause drowsiness and dizziness. The nurse must educate the patient to call for assistance before getting out of bed to prevent falls.

How to Approach the Question

First, identify the key term in the question stem: 'Antiemetics'.
Break down the term: 'Anti-' means against, and 'emesis' is the medical term for vomiting.
Combine the parts: An 'anti-emetic' is a substance that works against vomiting.
Scan the options to find the one that matches this definition.
Option C, 'Reduce vomiting', is a direct match.
Mentally confirm the other options are incorrect by recalling the drug classes associated with them: analgesics for pain, antispasmodics for peristalsis, and anticonvulsants for seizures.

Concept Tested & Keywords

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E6 Pharmacology Nursing Lilley 11e Part 3 pp. 191-193, 92-94

E6 Pharmacology Katzung 16e p. 1716-1718

Practise the full UPPSC 2022

Attempt every question from this paper in a timed mock, then review the full solution for each one.